Home / 50,163.78-69,233.04-31,049.68

Finding the Fourth Proportional to 50,163.78, 69,233.04 and 31,049.68

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Solution

The fourth proportional to 50,163.78, 69,233.04 and 31,049.68 is: 42,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,163.78 : 69,233.04 = 31,049.68 : x
  2. Step 2: Convert to fraction form
    50,163.78/69,233.04 = 31,049.68/x
  3. Step 3: Cross multiply
    50,163.78x = 69,233.04 × 31,049.68
  4. Step 4: Simplify right side
    50,163.78x = 2,149,663,737.43
  5. Step 5: Solve for x
    x = 2,149,663,737.43/50,163.78
  6. Step 6: Final answer
    x = 42,852.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.